Base | Representation |
---|---|
bin | 1110010110000… |
… | …11100000001000 |
3 | 22101102211022021 |
4 | 13023003200020 |
5 | 221301312230 |
6 | 15535134224 |
7 | 2660600635 |
oct | 713034010 |
9 | 271384267 |
10 | 120338440 |
11 | 61a23062 |
12 | 34374374 |
13 | 1bc14ca1 |
14 | 11da718c |
15 | a870c7a |
hex | 72c3808 |
120338440 has 32 divisors (see below), whose sum is σ = 271073880. Its totient is φ = 48079872.
The previous prime is 120338437. The next prime is 120338441. The reversal of 120338440 is 44833021.
It can be written as a sum of positive squares in 4 ways, for example, as 90592324 + 29746116 = 9518^2 + 5454^2 .
It is not an unprimeable number, because it can be changed into a prime (120338441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66832 + ... + 68608.
Almost surely, 2120338440 is an apocalyptic number.
120338440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120338440 is an abundant number, since it is smaller than the sum of its proper divisors (150735440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120338440 is a wasteful number, since it uses less digits than its factorization.
120338440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3481 (or 3477 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 120338440 is about 10969.8878754525. The cubic root of 120338440 is about 493.7056822905.
The spelling of 120338440 in words is "one hundred twenty million, three hundred thirty-eight thousand, four hundred forty".
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